you say it will be determined as much by politics as by law. is gun culture driving politics, politics driving gn culture? does it change? does the second amendment change from here? >> it sure does. the second amendment itself has not changed more than 200 years. but the interpretation of the second amendment has changed dramatically. for more than 100 years, the interpretation was that state militias, that mysterious first clause, they were the only ones who had the right to bear and keep arms. in 2008 the supreme court of the united states said individuals have a right to keep and bear arms. they were talking about handguns in the home. how expansive that right is remains somewhat murky at this point. the idea that you have a constitutional right to bear arms is a legitimate one for better or worse now. that's something that politicians will have to take into consideration as they decide what to do. >> you've pointed to incidents like what happened here in newtown, what happened in australia, scotland and how they moved quickly and changed t